/Engine/Source/Editor/UnrealEd/Public/EditorLevelUtils.h
Removes the specified levels from the world. Refreshes.
true If all levels were removed.
static bool RemoveLevelsFromWorld ( [TArray](API\Runtime\Core\Containers\TArray)< [ULevel](API\Runtime\Engine\Engine\ULevel) * > InLevels, bool bClearSelection, bool bResetTransBuffer )